Cytological studies in Salmo trutta and Salmo alpinus [PDF]
Hereditas, 2009 Ten populations of Salmo trutta and six populations of Salmo alpinus have been studied cytologically. Both species have the chromosome number 2n = 80. In Salmo trutta the number of metacentric chromosomes varies between 15 and 24 with an average mean of 20, which gives a nombre fondamental (N. F.) of 100.
A, Nygren, B, Nilsson, M, Jahnke
openaire +2 more sources
Daily changes of the heart and respiratory rates of the bulitrout (Salmo trutta trutta L.) [PDF]
Acta Ichthyologica et Piscatoria, 1975 The frequency of the heart stimulations and respirations of the bulltrout (Salmo trutta trutta L.) was examined from the point of view of the daily rate in the aquarium conditions.
R. Węgrzynowicz +5 more
doaj +3 more sources
Frequency of occurrence of acanthocephalans (Acanthocephala) and cestodes (Cestoda) in alimentary tracts of the sea trout smolts (Salmo trutta m. trutta) grown in the drainage area of the river Rega and their impact on fish condition [PDF]
Acta Ichthyologica et Piscatoria, 1996 The present paper demonstrates results of analysis of 247 alimentary tracts of sea trout smolts (Salmo trutta m. trutta) grown in the drainage area of the river Rega (Pomerania).
Z. Chełkowski, B. Chełkowska
doaj +3 more sources
Interspecific association of brown trout (Salmo trutta) with non-native brook trout (Salvelinus fontinalis) at the fry stage [PDF]
, 2017 The introduction of non-native brook trout (Salvelinus fontinalis) in Europe has led to displacement and decreasing populations of native brown trout (Salmo trutta).
Johnsson, Jörgen I. +3 more
core +1 more source
Carotenoid content in eggs of Atlantic salmon (Salmo salar L.) and brown trout (Salmo trutta L.) entering Polish rivers for spawning or reared in fresh water [PDF]
Acta Ichthyologica et Piscatoria, 2002 The authors investigated the carotenoids content in yellow, yellow-orange, and orange eggs of salmon (Salmo salar L.) and brown trout (Salmo trutta L.) entering Polish rivers for spawning or reared in fresh water.
B. Czeczuga +2 more
doaj +3 more sources
Fishes, 2023 In external fertilizer fish, ovarian fluid (OF) seems to play a key role in fertilization success, improving spermatozoa swimming performance. These OF/sperm interaction mechanisms are frequently species-specific and/or population-specific and could ...
Giusy Rusco +7 more
doaj +1 more source
Differences in early developmental rate and yolk conversion efficiency in offspring of trout with alternative life histories [PDF]
, 2016 Partial migration, in which some individuals of a population migrate while other individuals remain resident, is generally associated with ontogenetic shifts to better feeding areas or as a response to environmental instability, but its underlying ...
Abbott +63 more
core +1 more source
The genetic architecture underlying the evolution of a rare piscivorous life history form in brown trout after secondary contact and strong introgression [PDF]
, 2018 Identifying the genetic basis underlying phenotypic divergence and reproductive isolation is a longstanding problem in evolutionary biology. Genetic signals of adaptation and reproductive isolation are often confounded by a wide range of factors, such as
Adams, Colin E. +4 more
core +2 more sources
Juvenile trout (Salmo trutta L.) survival rate from hatched fish release to smolting in River Mołstowa basin [PDF]
Acta Ichthyologica et Piscatoria, 1981 The survival rate of juvenile trout (Salmo trutta L.), from the introduction of newly hatched fish until smolting, under natural conditions of the River Mołstowa was determined.
Z. Chełkowski, B. Chełkowska
doaj +3 more sources
Helminth parasites of alien freshwater fishes in Patagonia (Argentina) [PDF]
, 2018 A survey of the helminth parasites of alien freshwater fishes from Argentinean Patagonia is presented, based on samples taken from 2010 to 2017 and including previous published records.
Flores, Verónica Roxana +5 more
core +1 more source